ractor-callbag
v0.1.2
Published
Callbag middleware for Ractor
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ractor-callbag
Callbag middleware for Ractor
Usage
import { CallbagStore } from "ractor-callbag";
import { ChangeTab } from "./ChangeTab";
import { map, fromPromise, pipe } from "callbag-basics";
import mapPromise from "callbag-map-promise";
import switchMap from "callbag-flat-map-operator";
export class TabStore extends CallbagStore {
state = { content: "", actionNames: [] };
preStart() {
this.context.system.eventStream.on("*", obj => {
const actionNames = [...this.state.actionNames];
actionNames.push(obj.__proto__.constructor.name);
this.setState({ actionNames });
});
}
createReceive() {
return this.receiveBuilder()
.match(ChangeTab, changeTab$ =>
pipe(
changeTab$,
switchMap(
changeTab =>
changeTab.tabid === 1
? fromPromise(api1000())
: fromPromise(api3000())
),
map(content => ({ content }))
)
)
.build();
}
}
function api1000() {
return new Promise((resolve, reject) => {
setTimeout(() => resolve("first"), 1000);
});
}
function api3000() {
return new Promise((resolve, reject) => {
setTimeout(() => resolve("second"), 3000);
});
}